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时间:2020-04-23
《不同设施栽培模式下红地球葡萄光合特性分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、广东农业科学2014年第13期不同设施栽培模式下红地球葡萄光合特性分析孙利鑫,解艳玲,马建,苏斌,张亚红(宁夏大学农学院,宁夏银川750021)摘要:为研究不同设施栽培条件下葡萄生长期叶片的光合特性,采用红地球葡萄日光温室(暖棚)促早、塑料大棚(冷棚)促早及延后栽培3种模式,通过设施内环境和葡萄光合特性测试分析,结果表明:3种栽培模式下葡萄生长期叶片叶绿素含量在1.2-2.2mg/g;暖棚促早栽培与冷棚促早栽培的开花期与浆果生长前期葡萄叶片的净光合速率13变化曲线是单峰曲线,浆果生长中期到成熟期葡萄叶片的
2、净光合速率13变化曲线是双峰曲线;葡萄叶片的净光合速率日变化曲线是否为单峰或双峰与胞间CO:浓度出现的最低值时间没有必然联系,在冷棚延后栽培中,葡萄生长期叶片净光合速率曲线均呈单峰曲线;3种栽培模式下生长期葡萄叶片的胞问CO浓度日变化曲线都呈现“V”字型,先下降再深高,只是下降到最低值的时间不尽相同。关键词:红地球葡萄;设施栽培;温度变化;光合特性中图分类号:$663.1文献标识码:A文章编号:1004—874X(2014)13—0040—04Analysis0nphotosyntheticcharact
3、eristics0fredglobe●1●●’I.--·-·‘1graDelndltterentcultivatl0nm0deSSUNLi-xin,XIEYan-ling,MAJian,SUBin,ZHANGYa-hong(SchoolofAgriculture,NingxiaUniversity,Yinchuan750021,China)Abstract:Inordertoanalyzephotosyntheticcharacteristicsofredglobegrapeindifferentcult
4、ivationmodesduringgrowthperiod,thispapersetthreemodes,includingredglobegrapeinsunlightgreenhouse(greenhouse)topromote,plasticgreenhouse(coldhouse)topromoteearlyortodelay,anddetecteclthefacilityenvironmentandgrapephotosyntheticcharacteristic.Theresultsshow
5、edthat,thechlorophyllcontentinleavesofgrapeunderthreecultivationmodesduringgrowthperiodwasfrom1.2mg/gto2.2mg/g.Thediurnalphotosyntheticratecurvesofgrapeleavesinsunlightgreenhouseandplasticgreenhouseduringblossomandearlygrowthperiodweresinglepeakcurves.Whi
6、lethediurnalphotosyntheticratecurveofgrapeleavesduringberrygrowthperiodwasbimodalcurve.Whethersinglepeakorbimodalthedailyphotosyntheticratecurveofgrapeleaveswas,itdidnotnecessarilylinktothetimewhenintercellularCO2concentrationreachedminimum.Inplasticgreen
7、housedelaycultivation,thedailyphotosyntheticratecurveofgrapeleavesduringgrowthperiodshowedasinglepeakcurve.ThediurnalchangeofintercellularCO2concentrationCHIVeofgrapeleavesduringgrowthperiodinthreecultivationpatternsshowed“V”shape,itmeantthatintercellular
8、CO2concentrationdecreasedfirstandthenincreased.butthetimetothelowestvaluewasnotthesame.Keywords:‘Redglobe’grape;facilitycultivation;temperaturechange;photosyntheticscharacteristics光照是植物光合作用能量的来源,是植物赖以生法,研究了不同水分条件下无核
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